背反行為

はいはんこうい

noun

•

act of disobedience (betrayal), violation, breach, infraction, infringement(yojijukugo)

背	stature, height, back, behind, disobey, defy, go back on, rebel
反	anti-
行	going, journey, carry out, conduct, act, line, row, bank
為	do, change, make, benefit, welfare, be of use, reach to, try, practice, cost, serve as, good, advantage, as a result of